package threading;

class MyThread2 extends Thread {
    @Override
    public void run() {
        while (true) {
            System.out.println("hello thread");
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
}


public class Demo10 {
    public static void main(String[] args) {
        MyThread2 t = new MyThread2();
        //t.start();//会创建线程
        t.run();//不会创建线程
        while(true) {
            System.out.println("hello main");
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
}
